Wastewater Visibility News
February 21, 2018
Wastewater Visibility News
You May Have a Sand Problem and Not Even Realize It
Identifying and Managing Annual I&I Issues Where does the sand in wastewater treatment plants come from? The answer is the collection system. Determining whether or not there is an I&I (inflow and infiltration) issue can be the real challenge. Spring is just around the corner, and with it, the time of year when most of the country’s rainfall usually occurs. Throughout the wet season, an increase in flow into a WWTP can be due to inflow and not an increase in domestic wastewater collected. Increase in flow is also a potentially a reliable indicator that treatment capacity has been compromised and may